From: Drew Weaver <drew.weaver at thenap.com> > > If these drives do not have TLER do not use them with LSI controllers. > Not sure about TLER on those Plextors... This is what megacli says: ---------------------------------------- Enclosure Device ID: 252 Slot Number: 0 Drive's position: DiskGroup: 0, Span: 0, Arm: 0 Enclosure position: N/A Device Id: 0 WWN: 4154412020202020 Sequence Number: 2 Media Error Count: 0 Other Error Count: 0 Predictive Failure Count: 0 Last Predictive Failure Event Seq Number: 0 PD Type: SATA Raw Size: 119.242 GB [0xee7c2b0 Sectors] Non Coerced Size: 118.742 GB [0xed7c2b0 Sectors] Coerced Size: 118.277 GB [0xec8e000 Sectors] Sector Size: 0 Logical Sector Size: 0 Physical Sector Size: 0 Firmware state: Online, Spun Up Commissioned Spare : No Emergency Spare : No Device Firmware Level: 1.02 Shield Counter: 0 Successful diagnostics completion on : N/A SAS Address(0): 0x4433221100000000 Connected Port Number: 0(path0) Inquiry Data: P02302103634 PLEXTOR PX-128M5Pro 1.02 FDE Capable: Not Capable FDE Enable: Disable Secured: Unsecured Locked: Unlocked Needs EKM Attention: No Foreign State: None Device Speed: 6.0Gb/s Link Speed: 6.0Gb/s Media Type: Solid State Device Drive: Not Certified Drive Temperature : N/A PI Eligibility: No Drive is formatted for PI information: No PI: No PI Port-0 : Port status: Active Port's Linkspeed: 6.0Gb/s Drive has flagged a S.M.A.R.T alert : No ---------------------------------------- Apart from that, I found the lsi events logs... Command timeout on PD 00(e0xfc/s0) . . . PD 00(e0xfc/s0) Path ... reset Error on PD 00(e0xfc/s0) State change on PD 00(e0xfc/s0) from ONLINE(18) to FAILED State change on VD 00/0 from OPTIMAL(3) to DEGRADED(2) Command timeout on PD 00(e0xfc/s0) PD 00(e0xfc/s0) Path ... reset State change on PD 00(e0xfc/s0) from FAILED(11) to UNCONFIGURED_BAD(1) . . . Exact same behavior for the 2 servers and 3 SSDs... So it seems the ctrl changes them first to failed and then to unconfigured... Thx, JD